PROCEDIMENTO PER LA PURIFICAZIONE DELLA BASE LIBERA DI DILAZEP AVENTE ATTIVITA' FARMACOLOGICA

PROCEDIMENTO PER LA PURIFICAZIONE DELLA BASE LIBERA DI DILAZEP AVENTE ATTIVITA' FARMACOLOGICA

Purification of dilazep base by an at least two-stage extraction with an organic acid having a pK between 3.0 and 4.90 or with a strong inorganic acid.

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Bibliographische Detailangaben
Hauptverfasser: SCHAFER FRIEDRICH, KLEEMANN AXEL, LUSSLING THEODOR
Format: Patent
Sprache:ita
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:Purification of dilazep base by an at least two-stage extraction with an organic acid having a pK between 3.0 and 4.90 or with a strong inorganic acid.